APA

Costantion M., . (2006). Pocket Guide to Flags. Wigston: Silverdale Books.

Chicago

Costantion Maria, . 2006. Pocket Guide to Flags. Wigston: Silverdale Books.

Harvard

Costantion M., . (2006). Pocket Guide to Flags. Wigston: Silverdale Books.

MLA

Costantion Maria, . Pocket Guide to Flags. Wigston: Silverdale Books. 2006.